Buy the way, I can duplicate that crack on a new unit by just pushing down on the roll ,and then the crack will appear. Also, Once I have a piece in my hand, I can tear it like paper - has none of the rubber characteristics I am use to.
Hi Graham,
No the surrounds are made in China and then attached to the cones (in this case aluminum) in China and then made into tranducers (also in China) so I am not involved with the surround process, though I did ask for the material composition (see below). They have supplied samples in a...
Hi,
I have some failures of a loudspeaker surround - actually most of this batch - it is a half roll (semi-circle). When the material is folded it breaks like a metal. Also, I can tear it like paper - does not seem to have many rubber qualities. I am trying to determine if the cause is the...
Thanks for the recommendations on ASA. Does this material need to be special version with UV stabiziers or standard stuff OK? Any brand names come to mind?
Thanks
TedT
Hi,
I have a cusotmer who is making white ABS marine speaker grilles - they are yellowing in use. The Asian vendor is mixing in his own UV stabizer (0.48%). I assume this is not the way to do it. Rather, buy a ABS UV stabilzed molding compound that has proper uV ratings. Anyone provide some...
